Quote:
Originally Posted by soliger
Thank you for the help, I checked under sink no luck here is a picture. I reached out to Thor customer care haven’t heard back yet. It’s the blue knob in pic, I looked for o-rings and nothing is jumping out near the pump
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That is a PVC ball valve and it's position in the picture shows it open. Those type valves can be stiff and it needs to be rotated 90* so that the blue handle is perpendicular to the line, not in line with it. Typically those valve like to be turned one way and there is a lip on the valve base that lets it turn the appropriate direction 90*. When I install one of those I set it up so that clockwise closes the valve. I enlarged the picture and it appears that it's installed that way. I assume you can reach that valve, move the wiring bundle out of the way and see if that flat lip on the valve base goes between the 3 and 6 O'clock position. That's the valves movement range.
I have used some of those type valves, 1" schedule 40 pipe in underground water supply to our bayou property. I made a T handle by taking a 1" schedule 40 T section and cutting it out so it slips over the handle and glue a section of pipe to the T end. Makes access to the valve reachable rather than laying on the ground. For your application, it may take 2 hands to rotate that valve the correct 90* to shut it.